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Posts Tagged ‘LED Matrix’

Open Badge: The LED Badge

Tuesday, October 27th, 2015

Rohit Gupta published a new build, the OpenBadge The major elements on the PCB were: - LED Matrix - A MSP430G2553 microcontroller brain - A ULN2803 Darlington Driver to sink the current - A USB connector to charge the battery - A SBW connector to program the MSP430 - A Switch to...

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Posted in DIY | No Comments »

Infrared LED matrix

Wednesday, November 12th, 2014

Jaanus made this infrared LED matrix project: I have lately been doing bunch of different LED matrices. One of the most interesting one is an infrared matrix, made out of old Soviet infrared light that was used for data transmission (if I remember correctly - in studios). We repurposed it to...

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Posted in infrared, LEDs | 1 Comment »

Portable bluetooth-enabled scrolling LED matrix display

Thursday, October 30th, 2014

An open-source cascadable 8x8 LED matrix module using Arduino and MAX7219 from Embedded Lab: Easy Matrix is a cascadable 8x8 LED matrix module with the MAX7219 chip on board, which allows to control the display with only 3 I/O pins from microcontroller. Multiple Easy Matrix modules can be easily cascaded to...

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Posted in Arduino, LEDs | No Comments »

Light Appliance – Remote controlled 32×32 RGB LED Matrix

Thursday, July 24th, 2014

IR remote controlled light appliance application for the 32x32 RGB LED Matrix by Craig Lindley, that is available at Github: My latest creation, the Light Appliance. This device displays various graphical routines (plasmas, fractals, etc.), animated GIFs, displays time, date and temperature, can be an open or closed sign for...

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Posted in DIY, infrared | 1 Comment »

SquareWear Mini chainable color LED matrix and animation design tool

Monday, February 10th, 2014

Ray Wang writes about his recently completed project, the SquareWear Mini with All-New Chainable Color LED Matrix, and an Interactive Animation Design Tool. The goal is to make standalone programmable color display gadgets. The LED matrix is chainable and can be seamlessly extended in both X and Y directions. The...

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Posted in Arduino, LEDs, sensors | No Comments »

Old display reverse engineered to work with a Raspberry Pi

Saturday, May 11th, 2013

Old Display Reverse Engineered to work with a Raspberry Pi: Dimitri, Frank, Kevin and Robin from Eectronique have sent in some details of a project that they have been working on. They had an old early 90′s LED matrix sign and wanted to make it work with a Raspberry Pi....

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Posted in hacks, R-Pi | No Comments »

Minimatrix: A small and simple self-powered LED matrix

Monday, February 18th, 2013

Nickjohnson posted his minimatrix project in the forum. It's AVR powered 8x8 LED matrix, with an IR sensor for communication. It has just 8 parts in its BoM: A one-color 3cm LED matrix, an ATTiny2313/4313 to power and drive it, an 8-way resistor network, a battery holder, and two decoupling...

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Posted in project logs | No Comments »

Tuitwall displays Tweets on LED matrix

Tuesday, September 18th, 2012

tuitwall is a project that will allow you to show Tweets in a LED matrix. It's based on an Arduino, an ethernet shield, a LED matrix that has its controller, a Holtek HT1632C and a PHP backend that interfaces with Twitter. Its designer Santiago Reig explains: "The webpage, written in...

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Posted in Arduino, LEDs | 1 Comment »

8×16 ping-pong ball LED matrix display

Thursday, June 7th, 2012

Exapod built a 8x16 ping-pong ball LED matrix display. The ping-pong balls are used as diffusers for green LEDs. Two MAX7219 8bit serial LED drivers control the lights. A PIC18F2553 drives the MAX chips with text received over a Bluetooth module. I finally finished my 8x16 ping pong ball matrix...

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Posted in PIC, project logs | 10 Comments »

7400 competition entry: Bad driver feedback display

Monday, October 24th, 2011

Gagandeep built a "bad driver" feedback display. It's a huge 40X16 LED matrix spanning ~80cm in width, and it's designed to be placed on the rear windshield of a car. The spacing of 2cm between LEDs is enough to ensure that the driver doesn't have an obstructed rear view. Using...

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Posted in 7400 contest | 1 Comment »

Glass Block LED Matrix, controlled outdoors via tablet

Wednesday, October 19th, 2011

[embed]http://vimeo.com/30413454[/embed] Here is a video from Hive 13 that shows how an Android tablet is used to control a glass block LED matrix via a wireless connection. After installing a LED matrix behind a glass block wall in their bathroom, hackers at Hive 13 are figuring out a way to...

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Posted in Android, Arduino | 1 Comment »

7400 competition entry: Lights out game

Wednesday, October 19th, 2011

Bertho entered his Lights out game into the Open 7400 Logic Competition. After working out the math behind lights out, Bertho decided to make his own using only logic chips. The object of the game is to turn the lights off by using a + shaped mask.The board automatically generates...

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Posted in 7400 contest | No Comments »

MSP430 LED Matrix Toy

Tuesday, September 27th, 2011

Markus Gritsch posted his MSP430 LED Matrix toy in the project log forum: I just did a quick little project using an MSP430 and two 595 shift registers to drive a small LED matrix display, suitable for beginners. Two push buttons are used as inputs and a buzzer is connected...

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Posted in MSP430, project logs | No Comments »

70 LED matrix in a jack-o-lantern

Friday, October 29th, 2010

Hack a Day made a Jack-o-lantern that shows animations on a LED matrix. Mike shows you how to design and run a multiplexed display with an AVR. Then he guts a pumpkin and installs 70 LEDs with power tools. Gourds, LEDs, and power tools, what's not to love? We're big...

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Posted in Holiday | No Comments »

Bus Pirate LED Matrix

Friday, June 4th, 2010

Joby Taffey has a demo of an SPI-based Sparkfun LED Matrix using the Bus Pirate. You can get a Bus Pirate for $30, including worldwide shipping at Seeed Studio. Adafruit also has the Bus Pirate and probe cables in stock and ready to ship.

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Posted in Bus Pirate, demonstrations | No Comments »

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